Skip to content
  • food
  • industrial
  • pharma

Barium hydroxide

CAS 17194-00-2

Also registered as 1 other CAS number

1304-17-2

Barium hydroxide chemical structure

Concern score

Not assessed — no hazard data yet.

Barium hydroxide in plain language

What it is

Also known as Barium hydroxide lime · Barium Hydroxide (Anhydrous) · Barium dihydroxide · Caustic baryta · barium(2+) dihydroxide · Barium hydroxide (Ba(OH)2)

Show all 13 names

Barium hydroxide, LR, >=97% · Barium hydroxide, anhydrous, 94-98% · Barium hydroxide, technical grade, ~95% · Barytwasser · Ec 241-234-5 · UNII-1OHB71MYBK · solution Barium hydroxide

What it does

We don't have a plain-language description for Barium hydroxide yet.

Recorded functional uses: Surface modifier

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Barium hydroxide appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Pharma
  • Food
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 13 composition records across product categories including Laboratory supplies, Food and drug, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Surface modifier.
    • EPA CPDat observed this chemical in 13 composition records across product categories including Laboratory supplies, Food and drug, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Surface modifier.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Barium hydroxide. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for Barium hydroxide yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2019-05-01

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Barium hydroxide in a product composition. These are source records, not Greenveil catalog products.

Source records

13

Named organisations

2

Laboratory suppliesFood and drugConstruction and building materials

Typical roles

Surface modifier
See products using Barium hydroxide →